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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-17 10:54:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-17 10:54:41 -0800 |
| commit | e1288cd72f54e7fc16ae9ebb4d0647537ef848d4 (patch) | |
| tree | b4fd87b9307d8041fb680cb9b8fbf787ec968df7 /arch/arm | |
| parent | e78bf5e6cbe837daa6ab628a5f679548742994d3 (diff) | |
| parent | 94ae85220a07d357d4937086c490854f63344de4 (diff) | |
| download | linux-e1288cd72f54e7fc16ae9ebb4d0647537ef848d4.tar.bz2 | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (63 commits)
ARM: PL08x: cleanup comments
Update CONFIG_MD_RAID6_PQ to CONFIG_RAID6_PQ in drivers/dma/iop-adma.c
ARM: PL08x: fix a warning
Fix dmaengine_submit() return type
dmaengine: at_hdmac: fix race while monitoring channel status
dmaengine: at_hdmac: flags located in first descriptor
dmaengine: at_hdmac: use subsys_initcall instead of module_init
dmaengine: at_hdmac: no need set ACK in new descriptor
dmaengine: at_hdmac: trivial add precision to unmapping comment
dmaengine: at_hdmac: use dma_address to program DMA hardware
pch_dma: support new device ML7213 IOH
ARM: PL08x: prevent dma_set_runtime_config() reconfiguring memcpy channels
ARM: PL08x: allow dma_set_runtime_config() to return errors
ARM: PL08x: fix locking between prepare function and submit function
ARM: PL08x: introduce 'phychan_hold' to hold on to physical channels
ARM: PL08x: put txd's on the pending list in pl08x_tx_submit()
ARM: PL08x: rename 'desc_list' as 'pend_list'
ARM: PL08x: implement unmapping of memcpy buffers
ARM: PL08x: store prep_* flags in async_tx structure
ARM: PL08x: shrink srcbus/dstbus in txd structure
...
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/plat-nomadik/include/plat/ste_dma40.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h index 74b62f10d07f..4d6dd4c39b75 100644 --- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h +++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h @@ -13,6 +13,14 @@ #include <linux/workqueue.h> #include <linux/interrupt.h> +/* + * Maxium size for a single dma descriptor + * Size is limited to 16 bits. + * Size is in the units of addr-widths (1,2,4,8 bytes) + * Larger transfers will be split up to multiple linked desc + */ +#define STEDMA40_MAX_SEG_SIZE 0xFFFF + /* dev types for memcpy */ #define STEDMA40_DEV_DST_MEMORY (-1) #define STEDMA40_DEV_SRC_MEMORY (-1) |